OT-2026-000004639
Publication integrity record
Porous face vacuum gripper, four zone face, three outlet manifold, two stage ejector, contact triggered
This page is the evidence record. It changes as evidence arrives: a trusted timestamp, an independent retrieval, a custody deposit. The disclosure itself (/p/OT-2026-000004639) never changes.
Identity and time
| Publication number | OT-2026-000004639 · never reused |
|---|---|
| Internal UUID | 01a0a91e-84d0-747d-9ae3-3e8b155228ad · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-16T07:29:04.723720Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000004639 |
| Status | PUBLIC |
Content hashes
| Canonical text | 02d1bcbb5adc23553486e0fc7f010104814df867f78cdbaee94ecc9d086475ad |
|---|---|
| Markdown | 43e2d1da70d335fee09114d4cbdfe3a9d6ee6dcafce1ac0ed22eaf4d84b42f28 |
| Publication page | 8f33fc9598358b9911a5479914f4a4afa2aa3fce3ca85384ac41fd05f71c0614 |
| Manifest | 05d354eb59939cd6474f07a851720965b374c0b34749f0a59c18f94459810ab8 |
SHA-256, lowercase hex, over the exact bytes of each published file. Every figure is hashed individually in the manifest.
Manifest signature
| Algorithm | Ed25519 · key
OT-SIGN-2026-01 · Verified |
|---|---|
| Signature | BY/btp5yEUgO+SkJV9if22ebPhOd/EhuAgTA4KP7rVOist+O01eHWQtxu8ud9VX2ULDwJoiNjLB5B7/fLqbgBQ== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-16T07:47:02Z batch OT-TS-2026-W38-010 · RFC 3161 token · inclusion proof root e1b42dfa4cd0fb1e3e472afd2db961c2... |
|---|
Independent retrieval
| 2026-09-16T07:30:06.235988Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004639observed 8f33fc9598358b9911a5479914f4a4af...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-16T07:30:06.224291Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004639/manifest.jsonobserved 05d354eb59939cd6474f07a851720965...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:30:06.212605Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004639/publication.mdobserved 43e2d1da70d335fee09114d4cbdfe3a9...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:30:06.199918Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004639/publication.txtobserved 02d1bcbb5adc23553486e0fc7f010104...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
Requested from infrastructure separate from the publication system, over the public internet, with no credential. A MATCH means an ordinary internet client could fetch the publication and received exactly the bytes recorded above.
Independent archive
| External archive | Pending Canonical URLs are submitted to an independent archive in batches. |
|---|
A capture held by an outside archive is evidence that does not depend on OpenTechnical continuing to exist. It supplements the records above; it does not replace them.
Third-party custody
| Custody package | Pending Custody packages are produced weekly. |
|---|